| **Fair Value Measurements - Summary of Financial Assets Measured at Fair Value, Recurring Basis (Details) - USD ($) $ in Millions** | Apr. 02, 2016 | Jan. 02, 2016 |
|-------------------------------------------------------------------------------------------------------------------------------------|---------------|---------------|
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                                    |          |          |
| Available-for-sale securities                                                                                                       | $ 9           | $ 10          |
| Recurring                                                                                                                           |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                                    |          |          |
| Total assets                                                                                                                        | 358           | 601           |
| Total liabilities                                                                                                                   | 72            | 160           |
| Recurring | Cash and cash equivalents                                                                                               |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                                    |          |          |
| Money-market securities                                                                                                             | 55            | 273           |
| Recurring | Other current assets                                                                                                    |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                                    |          |          |
| Available-for-sale securities                                                                                                       | 9             | 10            |
| Derivative assets, foreign currency forward contracts                                                                               |          | 14            |
| Recurring | Other assets                                                                                                            |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                                    |          |          |
| Derivative assets, foreign currency forward contracts                                                                               |          | 2             |
| Trading securities                                                                                                                  | 294           | 302           |
| Recurring | Other current liabilities                                                                                               |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                                    |          |          |
| Contingent consideration                                                                                                            |          | 118           |
| Derivative liabilities, foreign currency forward contracts                                                                          | 28            | 6             |
| Recurring | Other liabilities                                                                                                       |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                                    |          |          |
| Contingent consideration                                                                                                            | 36            | 33            |
| Derivative liabilities, foreign currency forward contracts                                                                          | 8             | 3             |
| Recurring | Quoted Prices In Active Markets (Level 1)                                                                               |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                                    |          |          |
| Total assets                                                                                                                        | 358           | 585           |
| Total liabilities                                                                                                                   | 0             | 0             |
| Recurring | Quoted Prices In Active Markets (Level 1) | Cash and cash equivalents                                                   |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                                    |          |          |
| Money-market securities                                                                                                             | 55            | 273           |
| Recurring | Quoted Prices In Active Markets (Level 1) | Other current assets                                                        |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                                    |          |          |
| Available-for-sale securities                                                                                                       | 9             | 10            |
| Derivative assets, foreign currency forward contracts                                                                               |          | 0             |
| Recurring | Quoted Prices In Active Markets (Level 1) | Other assets                                                                |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                                    |          |          |
| Derivative assets, foreign currency forward contracts                                                                               |          | 0             |
| Trading securities                                                                                                                  | 294           | 302           |
| Recurring | Quoted Prices In Active Markets (Level 1) | Other current liabilities                                                   |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                                    |          |          |
| Contingent consideration                                                                                                            |          | 0             |
| Derivative liabilities, foreign currency forward contracts                                                                          | 0             | 0             |
| Recurring | Quoted Prices In Active Markets (Level 1) | Other liabilities                                                           |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                                    |          |          |
| Contingent consideration                                                                                                            | 0             | 0             |
| Derivative liabilities, foreign currency forward contracts                                                                          | 0             | 0             |
| Recurring | Significant Other Observable Inputs (Level 2)                                                                           |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                                    |          |          |
| Total assets                                                                                                                        | 0             | 16            |
| Total liabilities                                                                                                                   | 36            | 9             |
| Recurring | Significant Other Observable Inputs (Level 2) | Cash and cash equivalents                                               |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                                    |          |          |
| Money-market securities                                                                                                             | 0             | 0             |
| Recurring | Significant Other Observable Inputs (Level 2) | Other current assets                                                    |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                                    |          |          |
| Available-for-sale securities                                                                                                       | 0             | 0             |
| Derivative assets, foreign currency forward contracts                                                                               |          | 14            |
| Recurring | Significant Other Observable Inputs (Level 2) | Other assets                                                            |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                                    |          |          |
| Derivative assets, foreign currency forward contracts                                                                               |          | 2             |
| Trading securities                                                                                                                  | 0             | 0             |
| Recurring | Significant Other Observable Inputs (Level 2) | Other current liabilities                                               |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                                    |          |          |
| Contingent consideration                                                                                                            |          | 0             |
| Derivative liabilities, foreign currency forward contracts                                                                          | 28            | 6             |
| Recurring | Significant Other Observable Inputs (Level 2) | Other liabilities                                                       |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                                    |          |          |
| Contingent consideration                                                                                                            | 0             | 0             |
| Derivative liabilities, foreign currency forward contracts                                                                          | 8             | 3             |
| Recurring | Significant Unobservable Inputs (Level 3)                                                                               |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                                    |          |          |
| Total assets                                                                                                                        | 0             | 0             |
| Total liabilities                                                                                                                   | 36            | 151           |
| Recurring | Significant Unobservable Inputs (Level 3) | Cash and cash equivalents                                                   |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                                    |          |          |
| Money-market securities                                                                                                             | 0             | 0             |
| Recurring | Significant Unobservable Inputs (Level 3) | Other current assets                                                        |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                                    |          |          |
| Available-for-sale securities                                                                                                       | 0             | 0             |
| Derivative assets, foreign currency forward contracts                                                                               |          | 0             |
| Recurring | Significant Unobservable Inputs (Level 3) | Other assets                                                                |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                                    |          |          |
| Derivative assets, foreign currency forward contracts                                                                               |          | 0             |
| Trading securities                                                                                                                  | 0             | 0             |
| Recurring | Significant Unobservable Inputs (Level 3) | Other current liabilities                                                   |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                                    |          |          |
| Contingent consideration                                                                                                            |          | 118           |
| Derivative liabilities, foreign currency forward contracts                                                                          | 0             | 0             |
| Recurring | Significant Unobservable Inputs (Level 3) | Other liabilities                                                           |          |          |
| **Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]**                                    |          |          |
| Contingent consideration                                                                                                            | 36            | 33            |
| Derivative liabilities, foreign currency forward contracts                                                                          | $ 0           | $ 0           |

| X                                                                                                                                                                                                                                                                              |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Contingent Consideration, Fair Value Disclosure
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| - Definition
Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.
+ References
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|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.
+ References
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|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.
+ References
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|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.
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| - Definition
Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
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Aggregation of the liabilities reported on the balance sheet measured at fair value on a recurring basis by the entity.
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| - Definition
Amount of investments in debt and equity securities and other forms of securities that provide ownership interests classified as trading.
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